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COMMITMENTS AND CONTINGENCIES: - Labor matters (Details)	1 Months Ended			6 Months Ended
	Dec. 31, 2021	Jun. 30, 2021 PEN (S/)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) item employee
Peru | Labor Matters
Labor matters
Percentage of labor unionized			68.00%	68.00%
Total number of workers | employee				4,666
Number of labor unions				6
Number of labor unions represent majority of workers				1
Number of labor unions other than majority workers unions				5
Term of agreement		4 years	4 years
Annual salary increase (as a percent)	5.00%
Labor expense		S/ 60,000	$ 15,520
Mexico | San Martin
Labor matters
Budgeted cost for rehabilitation of mine | $			$ 89,100,000	$ 89,100,000

X

- Definition

Represents the number of labor unions in the entity.

+ References

No definition available.

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- Definition

Represents the number of labor unions other than the majority workers unions in the entity.

+ References

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- Definition

The number of labor unions in the entity representing the majority of workers.

+ References

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+ Details

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- Definition

Represents percentage of annual salary increase.

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No definition available.

+ Details

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- Definition

Represents the percentage of labor which was unionized labor.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of budgeted cost for rehabilitation of mine.

+ References

No definition available.

+ Details

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- Definition

Represents the term of the agreement entered into.

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- Definition

Represents the number of workers of the Peruvian operations.

+ References

No definition available.

+ Details

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- Definition

Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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